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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: JEnumField.html 743 2015-01-28 21:39:47Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.google.common.base.Converter;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.google.common.reflect.TypeToken;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.lang.reflect.Method;<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>import org.dellroad.stuff.java.EnumUtil;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import org.jsimpledb.core.EnumFieldType;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import org.jsimpledb.core.EnumValue;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import org.jsimpledb.schema.EnumSchemaField;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import org.jsimpledb.schema.SimpleSchemaField;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>/**<a name="line.21"></a>
<span class="sourceLineNo">022</span> * Represents an {@link Enum} field in a {@link JClass}.<a name="line.22"></a>
<span class="sourceLineNo">023</span> */<a name="line.23"></a>
<span class="sourceLineNo">024</span>public class JEnumField extends JSimpleField {<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>    final EnumConverter&lt;?&gt; converter;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>    @SuppressWarnings({ "unchecked", "rawtypes" })<a name="line.28"></a>
<span class="sourceLineNo">029</span>    JEnumField(JSimpleDB jdb, String name, int storageId, Class&lt;? extends Enum&lt;?&gt;&gt; enumType,<a name="line.29"></a>
<span class="sourceLineNo">030</span>      org.jsimpledb.annotation.JField annotation, String description, Method getter, Method setter) {<a name="line.30"></a>
<span class="sourceLineNo">031</span>        super(jdb, name, storageId, TypeToken.of(enumType.asSubclass(Enum.class)),<a name="line.31"></a>
<span class="sourceLineNo">032</span>          new EnumFieldType((Class)enumType), annotation.indexed(), annotation, description, getter, setter);<a name="line.32"></a>
<span class="sourceLineNo">033</span>        this.converter = EnumConverter.createEnumConverter(enumType);<a name="line.33"></a>
<span class="sourceLineNo">034</span>    }<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>    @Override<a name="line.36"></a>
<span class="sourceLineNo">037</span>    public &lt;R&gt; R visit(JFieldSwitch&lt;R&gt; target) {<a name="line.37"></a>
<span class="sourceLineNo">038</span>        return target.caseJEnumField(this);<a name="line.38"></a>
<span class="sourceLineNo">039</span>    }<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>    @Override<a name="line.41"></a>
<span class="sourceLineNo">042</span>    @SuppressWarnings("unchecked")<a name="line.42"></a>
<span class="sourceLineNo">043</span>    public TypeToken&lt;? extends Enum&lt;?&gt;&gt; getTypeToken() {<a name="line.43"></a>
<span class="sourceLineNo">044</span>        return (TypeToken&lt;? extends Enum&lt;?&gt;&gt;)this.typeToken;<a name="line.44"></a>
<span class="sourceLineNo">045</span>    }<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span>    @Override<a name="line.47"></a>
<span class="sourceLineNo">048</span>    public Converter&lt;EnumValue, ? extends Enum&lt;?&gt;&gt; getConverter(JTransaction jtx) {<a name="line.48"></a>
<span class="sourceLineNo">049</span>        return this.converter.reverse();<a name="line.49"></a>
<span class="sourceLineNo">050</span>    }<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span>    @Override<a name="line.52"></a>
<span class="sourceLineNo">053</span>    EnumSchemaField toSchemaItem(JSimpleDB jdb) {<a name="line.53"></a>
<span class="sourceLineNo">054</span>        final EnumSchemaField schemaField = new EnumSchemaField();<a name="line.54"></a>
<span class="sourceLineNo">055</span>        this.initialize(jdb, schemaField);<a name="line.55"></a>
<span class="sourceLineNo">056</span>        return schemaField;<a name="line.56"></a>
<span class="sourceLineNo">057</span>    }<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span>    @SuppressWarnings("unchecked")<a name="line.59"></a>
<span class="sourceLineNo">060</span>    void initialize(JSimpleDB jdb, SimpleSchemaField schemaField0) {<a name="line.60"></a>
<span class="sourceLineNo">061</span>        super.initialize(jdb, schemaField0);<a name="line.61"></a>
<span class="sourceLineNo">062</span>        final EnumSchemaField schemaField = (EnumSchemaField)schemaField0;<a name="line.62"></a>
<span class="sourceLineNo">063</span>        schemaField.getIdentifiers().clear();<a name="line.63"></a>
<span class="sourceLineNo">064</span>        for (Enum&lt;?&gt; value : EnumUtil.getValues((Class&lt;Enum&lt;?&gt;&gt;)this.getTypeToken().getRawType()))<a name="line.64"></a>
<span class="sourceLineNo">065</span>            schemaField.getIdentifiers().add(value.name());<a name="line.65"></a>
<span class="sourceLineNo">066</span>    }<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span>    @Override<a name="line.68"></a>
<span class="sourceLineNo">069</span>    JEnumFieldInfo toJFieldInfo(int parentStorageId) {<a name="line.69"></a>
<span class="sourceLineNo">070</span>        return new JEnumFieldInfo(this, parentStorageId);<a name="line.70"></a>
<span class="sourceLineNo">071</span>    }<a name="line.71"></a>
<span class="sourceLineNo">072</span>}<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>




























































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